气候变化领域集成服务门户(CCPortal): Urbanization Effect on Changes in Extreme Climate Events in Urumqi, China, from 1976 to 2018

CCPortal

DOI	10.3390/land13030285
	Urbanization Effect on Changes in Extreme Climate Events in Urumqi, China, from 1976 to 2018
	Abulimiti, Aerzuna; Liu, Yongqiang; Yang, Lianmei; Abulikemu, Abuduwaili; Mamitimin, Yusuyunjiang; Yuan, Shuai; Enwer, Reifat; Li, Zhiyi; Abuduaini, Abidan; Kadier, Zulipina
发表日期	2024
EISSN	2073-445X
起始页码	13
结束页码	3
卷号	13 期号:3
英文摘要	This study investigates, for the first time, the urbanization effect (UE) on local extreme climate events in Urumqi, China, based on 22 indices of climate extremes, which are calculated with daily observation data from 1976 to 2018. These analyses reveal a pronounced nocturnal urban heat island (UHI) effect and a daytime urban cold island (UCI) effect. Due to Urumqi's arid climate background, the UCI effect is considered a unique feature of the UE, which significantly differs from those in eastern and northern China. The UE on the TR20 index (number of days with minimum daily temperature exceeding 20 degrees C) reached 5.22 d/10a, indicating that urbanization has led to a fast increase in the number of hot nights in Urumqi. The absolute averaged UE on the indices measuring the frequency of warm events is about twice as large as that on the indices measuring the frequency of cold events, while that on the indices measuring the intensity of warm events is about one third of that on the indices measuring the intensity of cold events. The highest averaged urbanization contributions (UCs) to the extreme warm and cold events are represented by the frequency indices and the intensity indices, respectively, while those contributing to the extreme precipitation events are represented by the duration indices. Moreover, urbanization probably exacerbates the degree of wetting in the overall warming and wetting climate trend of the region. These findings can be seen as new evidence to provide scientific basis for further investigation of the UE on climate changes in arid regions.
英文关键词	urbanization effect; extreme climate events; climate change; arid regions
语种	英语
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Studies
WOS记录号	WOS:001192542000001
来源期刊	LAND
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/300580
作者单位	Xinjiang University
推荐引用方式 GB/T 7714	Abulimiti, Aerzuna,Liu, Yongqiang,Yang, Lianmei,et al. Urbanization Effect on Changes in Extreme Climate Events in Urumqi, China, from 1976 to 2018[J],2024,13(3).
APA	Abulimiti, Aerzuna.,Liu, Yongqiang.,Yang, Lianmei.,Abulikemu, Abuduwaili.,Mamitimin, Yusuyunjiang.,...&Kadier, Zulipina.(2024).Urbanization Effect on Changes in Extreme Climate Events in Urumqi, China, from 1976 to 2018.LAND,13(3).
MLA	Abulimiti, Aerzuna,et al."Urbanization Effect on Changes in Extreme Climate Events in Urumqi, China, from 1976 to 2018".LAND 13.3(2024).